Validation of sea ice concentration

Bulletin date: 2012-02-15

Model vs. observations, sea ice class contingency tables

Date: 2012-02-09:

Best estimate Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 15703 6852 640 532 84 29 6 0
OW 0 376 135 549 154 40 13 0
VODI 0 24 43 369 398 137 77 0
ODI 0 5 14 94 252 280 303 0
CDI 0 0 42 89 168 209 932 13
VCDI 0 0 18 42 74 271 4771 3681
...date precedes bulletin

Date: 2012-02-13:

Best estimate Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 15097 5608 596 304 107 19 1 0
OW 66 666 203 239 109 47 13 0
VODI 153 530 123 349 396 128 22 0
ODI 0 51 37 153 332 415 170 0
CDI 0 0 2 75 243 608 877 6
VCDI 0 0 2 20 149 600 5213 3690
...date precedes bulletin

Date: 2012-02-15:

Best estimate Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 13602 6698 560 332 149 50 0 0
OW 0 212 229 205 127 108 9 0
VODI 0 648 148 254 279 212 38 0
ODI 0 332 97 159 417 386 84 0
CDI 0 1 16 54 172 624 581 2
VCDI 0 2 2 31 134 970 5356 4139
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 13602 6699 614 388 244 203 74 0
OW 0 106 45 77 66 48 26 0
VODI 0 279 68 114 122 98 41 0
ODI 0 732 134 157 227 191 71 1
CDI 0 54 78 147 223 349 336 6
VCDI 0 23 113 152 396 1461 5520 4134

Date: 2012-02-19:

Best estimate Forecast
...observations not yet available ...observations not yet available

Date: 2012-02-21:

Best estimate Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 14265 6302 343 135 23 13 16 0
OW 0 413 210 130 82 38 23 0
VODI 0 193 280 301 219 153 91 0
ODI 0 431 134 329 357 283 195 0
CDI 0 60 60 142 357 457 583 19
VCDI 0 2 13 69 127 953 5398 4220
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 14265 6481 432 265 189 85 79 0
OW 0 86 93 55 51 46 38 0
VODI 0 142 105 156 92 132 69 0
ODI 0 93 80 147 106 142 150 0
CDI 0 258 85 140 148 186 390 14
VCDI 0 341 245 343 579 1306 5580 4225

Date: 2012-02-23:

Best estimate Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 13201 7478 725 881 294 84 6 0
OW 0 86 200 503 286 94 25 0
VODI 0 4 129 390 499 327 92 0
ODI 0 0 8 70 192 438 290 2
CDI 0 0 0 34 128 516 721 38
VCDI 0 0 0 7 41 872 4773 3985
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 13201 7235 481 444 236 91 69 0
OW 0 96 44 94 51 34 25 0
VODI 0 85 59 232 78 107 59 0
ODI 0 22 57 278 139 144 181 2
CDI 0 25 111 268 183 228 366 35
VCDI 0 105 310 569 753 1727 5207 3988


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